harleys a good choice due to parts availability and i like the product and supporting made in the usa itemsseparate transmission from motor can make things easier sometimes too if you really want to learn bikes get a harley frame hardtail so you dont have to mess with rear suspension and get a working engine tranny combo there are a ton of good books on maintenance of the enginetransmission to get you started get a few editions of iron horse magazine going for a real stripped down bobber might be an easy first build not much electric to mess with not much plastic or inaccessible items on them had to do some maintenance on a friends plastic fairingd japanese bike the other day what a nuisance disassembling compared to my stripped down bikes